| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.collections4.list; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| import org.apache.commons.collections4.Transformer; |
| import org.apache.commons.collections4.collection.TransformedCollectionTest; |
| |
| /** |
| * Extension of {@link AbstractListTest} for exercising the {@link TransformedList} |
| * implementation. |
| * |
| * @since 3.0 |
| * @version $Id$ |
| */ |
| public class TransformedListTest<E> extends AbstractListTest<E> { |
| |
| public TransformedListTest(final String testName) { |
| super(testName); |
| } |
| |
| @Override |
| public List<E> makeConfirmedCollection() { |
| return new ArrayList<E>(); |
| } |
| |
| @Override |
| public List<E> makeConfirmedFullCollection() { |
| final List<E> list = new ArrayList<E>(); |
| list.addAll(Arrays.asList(getFullElements())); |
| return list; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public List<E> makeObject() { |
| return TransformedList.transformingList(new ArrayList<E>(), (Transformer<E, E>) TransformedCollectionTest.NOOP_TRANSFORMER); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public List<E> makeFullCollection() { |
| final List<E> list = new ArrayList<E>(); |
| list.addAll(Arrays.asList(getFullElements())); |
| return TransformedList.transformingList(list, (Transformer<E, E>) TransformedCollectionTest.NOOP_TRANSFORMER); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void testTransformedList() { |
| final List<E> list = TransformedList.transformingList(new ArrayList<E>(), (Transformer<E, E>) TransformedCollectionTest.STRING_TO_INTEGER_TRANSFORMER); |
| assertEquals(0, list.size()); |
| final E[] els = (E[]) new Object[] {"1", "3", "5", "7", "2", "4", "6"}; |
| for (int i = 0; i < els.length; i++) { |
| list.add(els[i]); |
| assertEquals(i + 1, list.size()); |
| assertEquals(true, list.contains(Integer.valueOf((String) els[i]))); |
| assertEquals(false, list.contains(els[i])); |
| } |
| |
| assertEquals(false, list.remove(els[0])); |
| assertEquals(true, list.remove(Integer.valueOf((String) els[0]))); |
| |
| list.clear(); |
| for (int i = 0; i < els.length; i++) { |
| list.add(0, els[i]); |
| assertEquals(i + 1, list.size()); |
| assertEquals(Integer.valueOf((String) els[i]), list.get(0)); |
| } |
| |
| list.set(0, (E) "22"); |
| assertEquals(Integer.valueOf(22), list.get(0)); |
| |
| final ListIterator<E> it = list.listIterator(); |
| it.next(); |
| it.set((E) "33"); |
| assertEquals(Integer.valueOf(33), list.get(0)); |
| it.add((E) "44"); |
| assertEquals(Integer.valueOf(44), list.get(1)); |
| |
| final List<E> adds = new ArrayList<E>(); |
| adds.add((E) "1"); |
| adds.add((E) "2"); |
| list.clear(); |
| list.addAll(adds); |
| assertEquals(Integer.valueOf(1), list.get(0)); |
| assertEquals(Integer.valueOf(2), list.get(1)); |
| |
| adds.clear(); |
| adds.add((E) "3"); |
| list.addAll(1, adds); |
| assertEquals(Integer.valueOf(1), list.get(0)); |
| assertEquals(Integer.valueOf(3), list.get(1)); |
| assertEquals(Integer.valueOf(2), list.get(2)); |
| } |
| |
| public void testTransformedList_decorateTransform() { |
| final List<Object> originalList = new ArrayList<Object>(); |
| final Object[] els = new Object[] {"1", "3", "5", "7", "2", "4", "6"}; |
| for (final Object el : els) { |
| originalList.add(el); |
| } |
| final List<?> list = TransformedList.transformedList(originalList, TransformedCollectionTest.STRING_TO_INTEGER_TRANSFORMER); |
| assertEquals(els.length, list.size()); |
| for (final Object el : els) { |
| assertEquals(true, list.contains(Integer.valueOf((String) el))); |
| assertEquals(false, list.contains(el)); |
| } |
| |
| assertEquals(false, list.remove(els[0])); |
| assertEquals(true, list.remove(Integer.valueOf((String) els[0]))); |
| } |
| |
| @Override |
| public String getCompatibilityVersion() { |
| return "4"; |
| } |
| |
| // public void testCreate() throws Exception { |
| // resetEmpty(); |
| // writeExternalFormToDisk((java.io.Serializable) getCollection(), "src/test/resources/data/test/TransformedList.emptyCollection.version4.obj"); |
| // resetFull(); |
| // writeExternalFormToDisk((java.io.Serializable) getCollection(), "src/test/resources/data/test/TransformedList.fullCollection.version4.obj"); |
| // } |
| |
| } |